72results about How to "Improve contact status" patented technology

The invention discloses a semiconductor probe card electrical parameter extraction method and system based on an MEMS technology, and relates to the technical field of semiconductor testing, the method comprises the following components: initialization setting: aligning an MEMS probe card to a target test area on a wafer to be tested, firmly fixing the probe card and the wafer together by using a mechanical clamping device, and setting the MEMS probe card and the wafer to be tested; by integrating the decision tree model and the genetic algorithm, accurate mapping and optimization of semiconductor wafer surface features and optimal probe contact parameters are achieved, the intelligent level of testing is improved, the test time is shortened, the test efficiency is improved, and the test cost is reduced. The self-adaptability and stability of the testing process are remarkably enhanced, real-time adjustment of probe contact parameters is ensured through a dynamic monitoring and closed-loop control mechanism, the testing error is effectively reduced, the testing precision is improved, the optimal contact parameter combination is found through an optimization algorithm, the testing period is further shortened, and the testing efficiency is improved.

The invention is applicable to the technical field of electric energy meter verification, and provides a meter position wiring device for standard electric energy meter verification, which comprises a mounting shell, a plurality of conducting rods arranged in the mounting shell and a plurality of binding posts in contact with the conducting rods respectively, one end of each conducting rod extends out of the mounting shell, and the other end of each conducting rod extends out of the mounting shell. The plurality of binding posts are bent rods, one end of each binding post extends out of the mounting shell, and the binding posts are used for being connected with a connecting line of verification equipment; wherein each binding post is provided with a transverse adjusting mechanism and a fixing assembly, and the transverse adjusting mechanisms are used for transversely moving the binding posts. The meter position wiring device for calibration of the standard electric energy meter provided by the scheme realizes flexible adjustment of the position of the conducting rod so as to adapt to meter position requirements of different types of electric energy meters, introduces and simplifies the wiring process, improves the wiring and calibration efficiency, and is particularly suitable for rapid calibration of batch electric energy meters.

The invention discloses a hydraulic breaker hammer, which relates to the technical field of hydraulic breaker hammers. The hydraulic breaker hammer comprises a hammer body, a drill rod is movably connected to the lower end of the hammer body, and also comprises: a double-sided balance monitoring mechanism, a multi-directional bending detection mechanism and a crushing auxiliary anti-wear mechanism, and the double-sided balance monitoring mechanism, the multi-directional bending detection mechanism and the crushing auxiliary anti-wear mechanism are all arranged at the lower end of the hammer body. Through the arrangement of the double-sided balance monitoring mechanism, in the process that the drill rod moves up and down inside the hammer body to reciprocately crush the objects to be crushed below, the inclination of the balance plate can be used to push the moving plate to move, so as to separate two contacts and start an external alarm to perform a tilt warning, which can prompt the operating personnel to deal with the inclination of the drill rod in time and stop the reciprocating crushing movement of the crushed objects, so as to avoid the irreversible damage to the hammer body caused by the long-term tilting and crushing movement of the drill rod.

The present application discloses a steam turbine main steam valve assembly and a steam turbine, which relates to the field of steam turbines. The valve assembly includes a valve body, a valve core located in the valve body, and a driving component installed outside the valve body for driving the valve core to move, wherein the valve body is provided with an upper horizontal channel connected to the high-pressure steam end, a lower channel connected to the steam discharge pipe, and a vertical channel connecting the upper horizontal channel and the lower channel, and a working port is formed at the connection between the vertical channel and the upper channel. The automobile turbine main steam valve assembly adopts a valve core with an adaptive expansion area, and uses the pressure on the pressure side to achieve adaptive expansion, which enables the new technology to automatically adjust the expansion state of the valve core according to pressure changes during operation, thereby achieving a more ideal sealing effect under different working conditions. Since the valve core can achieve automatic expansion under high pressure, the sealing effect is enhanced.

The invention discloses a decorative paper printing machine paper adjusting device and adjusting method.The decorative paper printing machine paper adjusting device comprises a rack, a plurality of first supporting rods rotationally connected with the rack and a plurality of first adjusting rollers rotationally connected with the first supporting rods, the ends of one sides of all the first supporting rods are coaxially connected, and the first adjusting rollers are arranged at the ends of the first supporting rods; the rack is provided with a first adjusting mechanism for driving the first supporting rod to rotate around the end, and the end of the first supporting rod is provided with a second adjusting mechanism for adjusting local tension of paper. The overall tension of the paper is preliminarily adjusted through the first adjusting mechanism, and then the second adjusting mechanism is combined to accurately adjust the local tension, so that the tension of the paper is more uniform and stable in the whole conveying process. And the first nozzle and the second nozzle can assist in tension adjustment by adjusting the airflow size and direction, so that the good contact state between the paper and the adjusting roller is further ensured, and the printing precision and consistency are improved.

The invention discloses a milling and grinding combined steel rail surface fatigue disease treatment method, which comprises the following steps of: firstly, detecting steel rail surface fatigue diseases before treatment, formulating different steel rail surface fatigue disease treatment schemes according to a detection result, firstly, removing the steel rail surface fatigue diseases through milling and grinding, and preliminarily finishing the profile; grinding operation is conducted through a grinding wagon, the profile of the steel rail is corrected emphatically, and the wheel-rail contact state is improved; by designing a disease treatment operation scheme, arranging a disease treatment operation plan and reasonably arranging a milling and grinding combined operation mode and method, respective advantages of milling and grinding operation and grinding operation are fully exerted; and executing operation according to the designed operation scheme and carrying out quality acceptance. By means of the method, high-efficiency, high-quality and high-economical-efficiency treatment on the surface fatigue damage of the steel rail is achieved, the wheel-rail contact relation can be improved, the service life of the steel rail is prolonged, and the safety and stability of vehicle running are improved.

The invention discloses a steam turbine main steam valve assembly and a steam turbine, and relates to the field of steam turbines.The valve assembly comprises a valve body, a valve element located in the valve body and a driving assembly installed outside the valve body and used for driving the valve element to move; an upper horizontal channel connected with a high-pressure steam end, a lower channel connected with a steam discharge pipe and a vertical channel connected with the upper horizontal channel and the lower channel are arranged in the valve body, and a working port is formed at the joint of the vertical channel and the upper channel. According to the main steam valve assembly of the automobile turbine, the valve element with the self-adaptive expansion area is adopted, self-adaptive expansion is achieved through the pressure of the pressure side, the expansion state of the valve element can be automatically adjusted according to pressure changes in the operation process through the new technology, and therefore the more ideal sealing effect is achieved under different working conditions. Due to the fact that the valve element can achieve automatic expansion under the high-pressure effect, the sealing effect is enhanced.

The invention relates to the technical field of waste gas treatment, in particular to waste gas treatment equipment of a reaction kettle for producing terpilenol by a two-step method and a treatment process thereof, the waste gas treatment equipment comprises a waste gas treatment tower, and a gas inlet assembly is arranged in the waste gas treatment tower; the air inlet assembly is used for dispersing air flow and comprises a uniformizing component and a buffering component. According to the waste gas treatment tower disclosed by the invention, by uniformly distributing the air flow, waste gas can be ensured to uniformly enter a subsequent treatment link, and in the waste gas treatment process, the treatment components such as filler can uniformly contact with various components in the waste gas, so that the waste gas can be uniformly treated, and the treatment efficiency is improved. The condition that the treatment load of a local area is too heavy and other areas are not fully utilized is avoided, the gas buffer cavity and the second buffer plate, the third buffer plate and the first buffer plate in the gas buffer cavity can contain redundant waste gas, the situation that high-speed airflow causes too large impact on follow-up treatment components is avoided, and the mass transfer efficiency is improved.

The invention discloses a flour mill for coating additive production, and belongs to the field of raw material roller milling production, the flour mill comprises a shell, a plate body fixedly connected to one side of the shell, a feed inlet formed in the upper end of the shell, two milling rollers rotationally connected to the interior of the shell, and two driving parts fixedly connected to one side of the plate body, and output shafts of the two driving parts are connected with the two milling rollers correspondingly; two scraping units are symmetrically connected to the interior of the shell; accumulations adhered to the outer surface of the grinding roller can be removed through the scraper, when the movable seat and the scraper move in a reciprocating mode, the position of the scraper can be adjusted, long-time scraping of the fixed position is avoided, abrasion of the scraper is balanced, and therefore the service life of the scraper is prolonged; the scraper can clean non-uniform attachments, especially material accumulation, coating residues or other irregular dirt, formed on the surface of the roller body due to process reasons, and the uniformity of cleaning the surface of the roller body is remarkably improved.

The invention relates to the multifunctional technical field of low-speed large-load bearings and bearing outer rings. The large-load tapered roller bearing comprises a main shaft and a bearing assembly arranged on the peripheral side of the main shaft, the bearing assembly comprises a multifunctional bearing outer ring, a rolling body and a bearing inner ring, the rolling body is arranged between the bearing inner ring and the multifunctional bearing outer ring, and the rolling body makes contact with the inner side face of the multifunctional bearing outer ring. The bearing inner ring is arranged on the peripheral side of the main shaft, and the inner side face of the multifunctional bearing outer ring corresponds to the bearing inner ring to serve as a load mounting face. The multifunctional bearing outer ring and the outer load inner ring are designed into an integrated structure, so that the design mode that the bearing capacity can only be improved by adopting a higher-end bearing is solved, and the design requirement can be met by applying the bearing of the international first-line brand in a complex environment; the integrated design is superior to the international first-line brand in more complex environment application, and the integrated bearing can improve the bearing capacity and prolong the rolling life.

The invention discloses a road sweeper fluted disc meshing transmission front wheel with a nitrogen damping function, and relates to the technical field of vehicle engineering, the road sweeper fluted disc meshing transmission front wheel comprises a front fork weldment, deep groove ball bearings III are mounted on the two sides of the front fork weldment, and crank weldments are connected to the outer sides of the deep groove ball bearings III in a sleeving manner; nitrogen buffer shock-proof modules are installed at the bottom of the front fork weldment and the top of the crank weldment and used for reducing shock of the sweeper in the running process. The nitrogen buffer shock-proof module comprises spring seats installed at the bottom of the front fork weldment and the top of the crank weldment, and a nitrogen shock absorber is installed between the lower set of spring seats and the upper set of spring seats. Through the nitrogen buffering and shock-absorbing module, the problems that the vehicle is difficult to control and the sweeping operation quality is affected due to bumpy road surfaces can be solved, and the continuity and high efficiency of sweeping operation are guaranteed.

The invention belongs to the field of alarm devices, and particularly relates to an alarm device and method for monitoring the oxidation degree of a lead plate and a lead plate anti-radiation door. The alarm device comprises a base which comprises a bottom plate and at least one annular body, and the bottom plate is provided with a guide rail; the middle of the transmission block is matched with the bottom plate and can move relative to the bottom plate, one end face side of the transmission block is provided with a radial margin plate and a roller, and the other end face side extends to the annular body; the transmission block is sleeved with the spring, one end of the spring makes contact with the bottom plate, the other end of the spring makes contact with the radial edge plate, and elastic force can be applied to the transmission block; the detection unit is fixed in the annular body, is matched with the transmission block, and comprises a sensing part and an integrated circuit part, so that when the transmission block moves relative to the bottom plate, the sensing part on the detection unit can generate physical quantity change, and a sensing signal can be fed back to the integrated circuit part; and the driving unit is matched with the base and can drive the base to move. According to the invention, monitoring and early warning of the oxidation degree of the surface of the lead plate can be realized.

The utility model discloses a feeding device, including the casing and vertical interval installation on the casing's first conveying mechanism and second conveying mechanism, and the first conveying mechanism includes two interval settings's first transmission wheel and the first conveying belt of being around arranged in two first transmission wheel outside, and the second conveying mechanism includes two interval settings's second transmission wheel and the second conveying belt of being around arranged in two second transmission wheel outside, and the first conveying belt and second conveying belt form the conveying channel between, and the first conveying mechanism is vertically floating installation on the casing through the elastic floating mechanism to adjust the interval of conveying channel, and the first conveying belt includes the first conveying section of being located in the conveying channel side and being between two first transmission wheels, and the casing still is equipped with the elastic compression device, and the elastic compression device is used for the first conveying section elastic pressing to the second conveying mechanism direction. The utility model discloses a feeding device, can reduce the crushing of reed straw, improve reed utilization rate, and can simplify the structure of feeding device.

The utility model relates to an auxiliary contact mechanism and a relay comprising the same, and the auxiliary contact mechanism comprises an outer cover, and a plurality of static contacts and a plurality of auxiliary leading-out terminals which are connected with the outer cover. The auxiliary contact mechanism further comprises an auxiliary reed fixing block connected with the outer cover, an auxiliary movable reed and an auxiliary static reed, the auxiliary movable reed and the auxiliary static reed are integrally connected with the auxiliary reed fixing block, and the length of the auxiliary movable reed is different from that of the auxiliary static reed. The ends, extending out of the auxiliary reed fixing block, of the auxiliary movable reed and the auxiliary static reed are respectively connected with an auxiliary leading-out terminal, and the other ends, extending into the auxiliary reed fixing block, of the auxiliary movable reed and the auxiliary static reed abut against each other or are far away from each other. The auxiliary reed fixing block is integrally connected with the auxiliary movable reed and the auxiliary static reed, so that the auxiliary movable reed and the auxiliary static reed are not assembled with the movable reed fixing block any more, and assembling procedures are greatly reduced.

The invention provides a system and a method for comprehensively treating oily wastewater through adsorption-photocatalysis, and belongs to the technical field of wastewater treatment. Comprising a settling zone, a front adsorption zone, a photocatalytic oxidation zone, a rear adsorption zone and a purified water storage zone which are sequentially connected end to end, and the settling zone, the front adsorption zone, the photocatalytic oxidation zone, the rear adsorption zone and the purified water storage zone are sequentially arranged, so that multi-step comprehensive treatment of the oily wastewater is realized; each area plays a role in different types of pollutants in wastewater, the settling area removes large-particle impurities, the front adsorption area primarily adsorbs oil and pollutants, the photocatalytic oxidation area decomposes organic pollutants, the rear adsorption area further adsorbs residual pollutants and ionic pollutants, and the purified water storage area performs sterilization treatment; the cooperative treatment mode can comprehensively and efficiently purify the oil-containing wastewater.

This utility model discloses a miniature ball bearing for a cooling fan, comprising an outer ring, an inner ring, a cage, a dust cover, and rolling elements movably disposed between the outer and inner rings. Both the inner and outer peripheral walls of the outer ring and the inner ring have circumferentially formed grooves for the rolling elements to move. Both ends of the inner peripheral wall of the outer ring have circumferentially formed stepped grooves for installing the dust cover. The connections between the grooves of the inner ring and the outer peripheral wall of the inner ring, and between the grooves of the outer ring and the inner peripheral wall of the outer ring, have chamfered edges. A retaining spring is provided in the stepped groove for an interference fit with the stepped groove. The inner wall of the retaining spring abuts against the outer wall of the dust cover, while the outer peripheral wall of the dust cover has a clearance fit with the inner peripheral wall of the stepped groove. The curvature coefficient of the grooves of the outer ring is greater than that of the grooves of the inner ring. This utility model solves the problems of traditional miniature ball bearings, such as increased bearing ellipticity due to dust cover installation leading to out-of-tolerance bearing ellipticity, and assembly damage during rolling element installation leading to unqualified rolling element vibration during bearing operation.

The invention relates to the technical field of short circuit ring assembly, and discloses a semi-automatic short circuit ring pressing device for a motor, which comprises a workbench, a belt conveyor is mounted at the top of the workbench, an angle plate is fixedly connected to the top of the belt conveyor, and a transmission assembly component for improving the placement precision of a short circuit ring is arranged above the belt conveyor. The transmission assembly component comprises a plurality of transmission belts for placing the short-circuit rings through self transmission thrust, high-precision placement of the short-circuit rings is achieved through transmission of the transmission belts to the short-circuit rings, the problem of contact between the short-circuit rings and the stator iron core is solved, firstly, the transmission belts ensure the stability of the short-circuit rings in the placement process, and the transmission efficiency of the short-circuit rings is improved; and the short circuit ring is accurately conveyed into the stator iron core through a transmission mechanism, so that the position deviation caused by manual operation is effectively avoided, the electrical performance of the motor is improved, the contact resistance is reduced, the local heating phenomenon is reduced, and the efficiency of the motor is favorably improved.

The utility model discloses a guide wheel structure of a steel wire rope braiding machine, which belongs to the field of guide wheel structures and comprises a concave support frame, a guide wheel body and an installation adjusting mechanism, during installation, a movable seat can move along the top surface of the support frame under the matching action of a T-shaped sliding block and a T-shaped sliding chute only by rotating a threaded knob, and the guide wheel body is fixed on the support frame. When the guide wheel is worn due to long-time use and needs to be replaced, the threaded knob is rotated, the distance between the movable seat and the fixed seat is adjusted, the rotating shafts on the two sides of the guide wheel are smoothly placed in the bearings of the fixed seat and the movable seat, and then the threaded knob is reversely rotated to reset the movable seat, so that the guide wheel can be mounted; when the guide wheel needs to be replaced, the movable seat is moved, an old guide wheel can be easily taken out, and a new guide wheel can be installed, so that the working efficiency is greatly improved, the downtime of equipment caused by replacement of the guide wheel is reduced, and the time cost and the labor cost of production are reduced.

The invention relates to a suspension cable type three-dimensional universal acceleration normally-open switch, and belongs to the technical field of acceleration switches. Comprising a conductor shell and a conductor core suspended in the conductor shell through a suspension wire; the six suspension lines are distributed according to a three-dimensional coordinate system; and when the acceleration is increased until the suspension wire is broken, the conductor core can move, the conductor shell and the conductor core can be adsorbed together after being contacted, and the switch state is changed into a closed state. According to the acceleration switch, the conductor core is fixed by using the suspension wire, and the movement of the conductor core is realized by breaking the suspension wire, so that the change of the switch state after the conductor core is in contact with the conductor shell is realized. The acceleration switch is a disposable switch. However, since the device is completely formed by parts through a mechanical structure and the structure is relatively simple, the device has the advantages of easiness in processing and low processing cost.

The utility model relates to an auxiliary contact structure and a relay comprising the same, and the auxiliary contact structure comprises an outer cover, and a plurality of static contacts and a plurality of auxiliary leading-out terminals which are connected with the outer cover. The auxiliary contact structure further comprises an auxiliary reed fixing block connected with the outer cover, an auxiliary movable reed and an auxiliary static reed, the auxiliary movable reed and the auxiliary static reed are integrally connected with the auxiliary reed fixing block, and one end, extending out of the auxiliary reed fixing block, of the auxiliary movable reed and one end, extending out of the auxiliary reed fixing block, of the auxiliary static reed are respectively connected with an auxiliary leading-out terminal. And the other ends, extending into the auxiliary reed fixing block, of the auxiliary movable reed and the auxiliary static reed abut against each other or are far away from each other. The auxiliary reed fixing block and the auxiliary movable reed are integrally connected, so that the auxiliary movable reed and the auxiliary reed fixing block do not need to be assembled any more, assembling procedures are reduced, and reliability is improved.

The invention provides a method for improving the consistency of contact resistance between sections of a fuel cell stack, which comprises the following steps: activating the fuel cell stack after section change, carrying out on-load purging on the cathode side and the anode side of the cell by using air and hydrogen after activation, placing the stack in a high-low temperature test box after purging, and carrying out freezing cycle, so as to improve the consistency of the contact resistance between the sections of the fuel cell stack. And quick matching of the new and old batteries is completed after multiple freezing cycles. According to the method, the change of the assembly force of the stack is adjusted by controlling the freezing cycle temperature, the contact state between a new membrane electrode and a bipolar plate is improved by utilizing the repeated change of the assembly force in the stack in the freezing cycle process of the fuel cell stack, the contact resistance between interfaces is reduced, and the distribution consistency of the contact resistance between new and old cells of the fuel cell stack is improved. The method effectively solves the problem of large contact resistance difference between the new and old membrane electrodes and the bipolar plate after maintenance and section replacement of the high-power fuel cell stack, and rapidly improves the matching state between the new membrane electrode and the bipolar plate.

The invention belongs to the technical field of outlet box sealing, and particularly relates to a motor outlet box. The outlet box comprises a seat body installed on a motor casing, a box body supported on the seat body, an insulating plate which is arranged at the bottom of the box body and is detachably and fixedly connected with the seat body, and a plurality of binding post units which penetrate through the insulating plate and are arranged in a sealing manner, the binding post unit comprises a binding post with different diameter parts in the axial direction and an insulating pressing cover for pressing the binding post in the insulating plate; the insulating plate is provided with a stepped hole matched with the binding post unit, and a sealing structure is arranged on the joint face, abutting against the binding post, of the stepped hole. Therefore, the insulating pressing cover of the outlet box can press the binding post on the insulating plate, so that the sealing structure between the binding post and the insulating plate can realize effective sealing. And meanwhile, the contact state of a sealing interface is optimized, so that the sealing structure only bears axial compression instead of torsion and is not deformed and abraded, the service life of the sealing structure is greatly prolonged, and the service life of the motor is prolonged.

This application relates to the field of cold cathode field emission material preparation technology, and discloses a method for preparing a graphene-diamond composite structure to improve the field emission performance of diamond. The method involves first dispersing nanodiamonds and graphene oxide in a deep eutectic solvent; then adding boric acid to induce an in-situ sol-gel transformation under heating, forming a gel network that locks the dispersed phase; followed by microwave-assisted interface activation and gradient high-temperature carbonization, and finally cleaning and drying to obtain the product. This invention effectively suppresses phase separation and agglomeration during pyrolysis through a gel solidification mechanism, and utilizes the deep eutectic solvent and boric acid pyrolysis to achieve in-situ co-doping of nitrogen and boron, constructing a low-barrier continuous conductive channel on the diamond surface, and realizing tight electrical interconnection between components. This method is simple and controllable, and the resulting composite material possesses excellent conductivity, low turn-on electric field, and high emission stability, thus improving the electron emission efficiency of cold cathode devices.

This invention discloses a belt anti-scratch system and method for a belt sampling machine. The system includes a support frame, a protective cover, and a main controller. The support frame is mounted on the belt conveyor frame, with the protective cover connected to its upper part. Industrial cameras are installed inside the protective cover and at the bottom of the belt for real-time monitoring of the belt's condition. A rotating support is mounted on the support frame, with a rotating shaft passing through the protective cover. One end of the shaft is connected to a reducer and a motor, while the other end holds a sampling head placed inside the protective cover, forming a rotatable sampling structure. The main controller is electrically connected to the industrial cameras and the motor. It acquires belt image data through the industrial cameras, processes the data, and then controls the motor to drive the sampling head, achieving monitoring of the belt's operating status and anti-scratch control during the sampling process. Through structural integration and intelligent control, this system effectively prevents the sampling head from scratching the belt, improving the safety and reliability of equipment operation.

The utility model relates to the technical field of desilting devices, and provides a desilting device for hydraulic engineering management, which comprises a reservoir and a moving mechanism arranged at the top of the reservoir, and the inner bottom of the reservoir is provided with a desilting component used for cleaning sludge under the synchronous driving of the moving mechanism. The desilting assembly is designed, sludge deposited at the bottom can be cleaned through movement of the sludge shoveling plate at the bottom of the reservoir, more areas can be covered, it is ensured that the sludge is fully cleaned, the area which cannot be covered is reduced, meanwhile, the adjusting assembly is matched, the position control rod can be rotated through torsion of the torsion spring, and therefore the position of the sludge shoveling plate is adjusted; the mud shoveling plate is continuously attached to the bottom of the reservoir, gaps caused by the fact that the bottom of the mud shoveling plate is thinned are made up, a good contact state is kept, and the dredging effect is ensured. According to the utility model, the crushing assembly is designed, so that sludge and water can be mixed more fully, blocks are crushed, the fluidity of the sludge is improved, and the efficiency and the thoroughness of dredging are improved.

The invention provides a self-lubricating ball bearing. The self-lubricating ball bearing comprises an outer ferrule, a rolling body, a lubricating block and an inner ferrule, the outer sleeve ring coaxially sleeves the peripheral side of the inner sleeve ring, and a rolling body is arranged between the outer sleeve ring and the inner sleeve ring; the outer ferrule and / or the inner ferrule are / is of a double-half structure, lubricating blocks are installed on the outer ferrule and / or the inner ferrule of the double-half structure, and the rolling bodies make contact with the lubricating blocks. The outer sleeve ring or the inner sleeve ring of the double-half structure is adopted to be matched with the lubricating block, a retainer does not need to be installed, full ball filling is achieved, the bearing capacity of the bearing is improved, meanwhile, the conditions of performance degradation or function loss such as retainer fragmentation in the high-temperature environment of a reactor are avoided, the reliability of the bearing is improved, and the service life of the bearing is prolonged.

The utility model provides a longitudinal-torsional mode conversion type ultrasonic stator and a motor thereof, a mounting surface and a driving foot of a converter are respectively arranged at two ends of the converter, the outer diameter of the mounting surface is larger than the variable cross section of the outer diameter of the driving foot, and a central through hole penetrates through the converter along the axis. The chutes are uniformly distributed at the periphery of the converter and penetrate through and communicate with the central through hole; screw holes are evenly distributed in the installation face, and the piezoelectric ceramic assembly and the balancing weight are sequentially attached to the installation face and are fixed to the screw holes through fastening bolts respectively. The diameters of the two ends of the converter are inconsistent, so that stress generated by vibration is more concentrated; skewed slots are uniformly distributed at the periphery of the converter, so that the mass distribution of the converter is non-uniform, the structure is asymmetric, and torsional vibration of the stator is excited by a piezoelectric ceramic piece; radial vibration and torsional vibration are similar in frequency and have a certain phase difference in space, so that mass points of the stator on the contact surface of the rotor and the stator generate an elliptical motion track to push the rotor to rotate.

This utility model relates to the field of FC socket technology and discloses a combined FC socket module, including an FC plug, an FC socket, and an FC jumper. A mounting block is fixedly disposed on one side of the FC socket, and a mounting groove is formed on one side of the FC plug. The mounting block and the mounting groove cooperate to connect the FC plug and the FC socket. The FC jumper is fixedly connected inside the FC plug. A pin is fixedly connected inside the FC socket and connects to one end of the FC jumper. A connecting component is provided between the FC plug and the FC socket. The connecting component includes a magnetic post and an adsorption groove. The magnetic post is fixedly disposed inside the mounting groove, and the adsorption groove is formed on the outer wall of the mounting block. The magnetic post slides against the adsorption groove, and the magnetic post adsorbs the adsorption groove, stably connecting the mounting block inside the mounting groove. This solves the problem of the laborious disassembly and assembly of existing equipment.

The invention relates to the technical field of bearings, and discloses a compression-resistant high-wear-resistant bearing ring which comprises an outer ring, a supporting ring is arranged in the outer ring, a connecting plate is fixedly connected to the outer portion of the supporting ring, a first connecting column is fixedly connected to the outer wall of the connecting plate, and a connecting shaft is rotationally connected to the outer wall of the first connecting column. A connecting block is fixedly connected to the outer wall of the connecting shaft, a sleeve is rotatably connected to the outer wall of the connecting block, a supporting shaft is slidably connected to the interior of the sleeve, the outer wall of the supporting shaft is fixedly connected to the interior of the outer ring, a second spring is slidably connected to the outer wall of the supporting shaft, and the two ends of the second spring are fixedly connected to the outer wall of the sleeve; and a buffer assembly is arranged on the outer wall of the connecting plate. The second spring is compressed to buffer shaking of the supporting ring through the sleeve under supporting of the supporting shaft, so that friction and abrasion are reduced, contact of the bearing during operation is more uniform, the risk of local overload is reduced, and the service life of the bearing and the service life of a ferrule of the bearing are prolonged.